Huawei UPS2000-G User Manual page 48

UPS2000-G-(6 kVA–20 kVA)
User Manual (Lead-Acid Battery)
Item
Number of
batteries
Battery string
sharing in a
parallel system
Battery leakage
current
Depth of
discharge (DOD)
protection
Standard-UPS
battery type
Standard-UPS
battery capacity
Backup time
Parallel
connection
Issue 23 (2024-03-15)
6 kVA
16–20, each 12 V
If the smaller value
between the numbers of
batteries,
20, the battery power is
derated to
Not
supported
≤ 500 µA
The discharge time is longer than 16 hours (can be set to
0–24 hours, 16 hours by default. If the time is set to 0
hours, battery discharge protection is not implemented).
The single-battery voltage drops below 10.8 V in normal
mode.
12 V DC VRLA battery
7 Ah
> 4 minutes, full rated load For details about the backup
time curve of the battery pack, see
Figure
Batter strings can be connected in parallel. If the user
prepares batteries, the maximum number of battery strings
in parallel is specified by the battery manufacturer. A
maximum of four battery strings are recommended.
Copyright © Huawei Digital Power Technologies Co., Ltd.
10 kVA
N , is less than
N /20.
Not
supported
9 Ah
3-3, and Figure 3-4.
3 Technical Specifications
15 kVA 20 kVA
16–20 batteries in each of
positive and negative strings
(The total number of batteries
is 32–40.)
The rated number of batteries
in each string is 20. If the
number of batteries is less
than 20, the power is derated
N /20 ( N is the smaller
to
value between the numbers of
batteries in positive and
negative strings).
Supported Supported
- -
Figure 3-1, Figure 3-2,
40